1Control Factors of Coal and Gas Outburst and Energy Evolution Based on Physical SimulationTANG Yibo, YUAN Liang, XUE Junhua, XUE ShengTest·Research1-4,82Study on Physical Simulation Test of Cross-strata Hydraulic Fracturing for Big Size Horizontal Well in Roof Strata of Broken Soft Coal SeamWU XiupingTest·Research5-83Study on Technical System of Coal and Gas Outburst Prevention and Control in Guizhou Coal MinesHAN Zhenli, ZHANG Shujin, HENG Xianwei, XU Xiaoqian, LI XiaohuaTest·Research9-12,164Study on Statistical Damage Model of Coal Rock Destruction ProcessZHANG Biao, ZHANG Suian, XIA Liman, WANG Qianwei, ZHANG XiaodongTest·Research13-165Study on Parameters of Hydrogen Sulfide Treatment in Tiexin Coal Mine by Injecting AlkaliMENG Qing'anTest·Research17-20,256Prediction Model of Coalbed Gas Permeability Based on Optimization of Influencing FactorsWANG Pan, DU Wenfeng, FENG FeishengTest·Research21-257Experimental Study on Imbibition Effect of Joining Water to Coal Containing GasFAN Yaqing, WANG ZhaofengTest·Research26-28,328Influence of Low Temperature Oxidation of Coal Body on Dynamic Disasters of Coal and Rock During Coal Seam Gas ExtractionGAO Zhenyong, WU Guangyu, LI YueTest·Research29-329Research on Pore-forming in Soft Coal Seam Containing Iron Sulfide NoduleHOU HongTest·Research33-3610Numerical Simulation on Atomization Characteristics of Lining Micro Oscillation Cavity Nozzle Based on CFDLI Xiaojian, LIU Qiuzu, ZHANG HongTest·Research37-3911Feasible Research of Long Distance Underground Transportation for Carbon Dioxide GasGE Liang, SHAO Yimin, TANG Yanchang, ZHANG Guangxun, LIU Lin, CHEN BoTest·Research40-4412Mesoscopic Simulation of Failure and Crack Development of Coal-rock Combination Under Different Confining PressureZHANG Weimin, BU TengtengTest·Research45-48,5213Experimental Analysis of Wave Velocity of Coal Seam Under Different Confining PressureTONG Jiqiang, YANG Deyi, LI Zhijun, REN Huayu, WANG ZengyuTest·Research49-5214Optimization Research on Primary Support of Shaft with Large SectionZHANG Zan, SU Xuegui, WANG Tang, YANG Zongyi, ZHANG SuoTest·Research53-5615Fractal Study on Acoustic Emission Waveform of Rock Under Different Stress StatesHE ZhenggangTest·Research57-6016Experiment on Electrochemical Modification of Clay Coaly MudstoneSUN Yaohui, ZHANG YataoTest·Research61-6417Research on Coal Electrical Experiment Stimulated by Frequency Signal and Its CharacteristicsLIU Su, ZHANG Yugui, XU Xiaokai, ZHAO ChenguangTest·Research65-6718Experimental Study on the Weakening of Slurry Bleeding to Broken MudstoneLIAN Zhenshan, HAO Jinwei, ZHOU BinTest·Research68-70,7519Hydraulic Punching and Hydraulic Fracturing Coupling Permeability Improving Technique in "Three Soft" Coal SeamLIU Haibo, SHANG ZhengjieTechnology·Innovation71-7520Fracturing and Permeability Increasing Technology for Radial Well in Rapid Unconvering Coal of ShaftCHEN Bin, ZHAN QinjianTechnology·Innovation76-79 